Background
Otani Yonetaro was born in 1881 in Toyama, Japan.
Otani Yonetaro was born in 1881 in Toyama, Japan.
Otani attended a primary school.
In 1923 Otani retired from the ring at age 30 and then went on to make a fortune after the Great Kanta Earthquake as a scrap iron dealer. He then founded and became president of Otani Heavy Industry Company.